From: Shubhrajyoti Datta <shubhrajyoti.datta@xilinx.com>
Date: Wed, 20 Apr 2022 07:59:21 +0000 (+0530)
Subject: i2c: xiic: return value of xiic_reinit
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=8fa9c93880530a91c6ea83b49bd37c268e9bf47e;p=linux.git

i2c: xiic: return value of xiic_reinit

Check the return value of xiic_reinit.

Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@xilinx.com>
Acked-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
---

diff --git a/drivers/i2c/busses/i2c-xiic.c b/drivers/i2c/busses/i2c-xiic.c
index ffefe3c482e9c..8b39f9c7e7738 100644
--- a/drivers/i2c/busses/i2c-xiic.c
+++ b/drivers/i2c/busses/i2c-xiic.c
@@ -381,6 +381,7 @@ static irqreturn_t xiic_process(int irq, void *dev_id)
 	int xfer_more = 0;
 	int wakeup_req = 0;
 	int wakeup_code = 0;
+	int ret;
 
 	/* Get the interrupt Status from the IPIF. There is no clearing of
 	 * interrupts in the IPIF. Interrupts must be cleared at the source.
@@ -415,7 +416,9 @@ static irqreturn_t xiic_process(int irq, void *dev_id)
 		 * fifos and the next message is a TX with len 0 (only addr)
 		 * reset the IP instead of just flush fifos
 		 */
-		xiic_reinit(i2c);
+		ret = xiic_reinit(i2c);
+		if (!ret)
+			dev_dbg(i2c->adap.dev.parent, "reinit failed\n");
 
 		if (i2c->rx_msg) {
 			wakeup_req = 1;